#!/usr/bin/env python
# -*- coding: utf8 -*-

''' 
# =======
# User: luwei
# Date: 11-4-21
# Time: 上午8:57
# email = luw2007@gmail.com
# =======
'''

# Imports
# =======


def main():
    '''test main'''
    print "done"


if __name__ == '__main__':
    main()